W3C mobileOK Checker

Is your Web site mobile-friendly?

Check a Web page for mobile-friendliness

Validate by URI

Address:

Validate by File Upload

File:

Note: mobileOK tests cannot all be run when file upload is used. In particular, checks at the HTTP level and tests that apply
on resources linked from the HTML document cannot be run. Also note that file upload may not work with Internet Explorer on
some versions of Windows XP Service Pack 2, see our information page on the W3C QA Website.

Validate by direct input

Enter the Markup to validate:

Note: mobileOK tests cannot all be run when direct input is used. In particular, checks at the HTTP level and tests that apply
on resources linked from the HTML document cannot be run.